Defenses Military policy 67 National security 51 Armed Forces 31 Foreign relations 25 History 20 Strategic aspects 20 Politics and government 14 World politics 13 Congresses 12 Military relations 9 Security, International 9 Thesis 8 United States 8 Australia 7 Economic aspects 7 Arms race 6 Colonies 6 Dissertations, Academic 6 Periodicals 5 Armies 4 Arms control 4 Asia, Southeastern 4 Europe 4 History, Military 4 Military art and science 4 North Atlantic Treaty Organization 4 Strategy 4 Australian Army 3 Defences 3